diff --git a/common/bitmap.cpp b/common/bitmap.cpp
index 46da6cc4ac..d728f72d6e 100644
--- a/common/bitmap.cpp
+++ b/common/bitmap.cpp
@@ -230,7 +230,7 @@ bool SaveCanvasImageToFile( EDA_DRAW_FRAME* aFrame, const wxString& aFileName,
 
 void AddBitmapToMenuItem( wxMenuItem* aMenu, const wxBitmap& aImage )
 {
-    // Retrieve the global applicaton show icon option:
+    // Retrieve the global application show icon option:
     bool useImagesInMenus = Pgm().GetCommonSettings()->m_Appearance.use_icons_in_menus;
 
     wxItemKind menu_type = aMenu->GetKind();
diff --git a/common/board_printout.cpp b/common/board_printout.cpp
index b05c48f171..8d19e22ab2 100644
--- a/common/board_printout.cpp
+++ b/common/board_printout.cpp
@@ -186,7 +186,7 @@ void BOARD_PRINTOUT::DrawPage( const wxString& aLayerName, int aPageNum, int aPa
 
 void BOARD_PRINTOUT::setupViewLayers( KIGFX::VIEW& aView, const LSET& aLayerSet )
 {
-    // Disable all layers by default, let specific implementions enable required layers
+    // Disable all layers by default, let specific implementations enable required layers
     for( int i = 0; i < KIGFX::VIEW::VIEW_MAX_LAYERS; ++i )
     {
         aView.SetLayerVisible( i, false );
diff --git a/common/dialogs/dialog_edit_library_tables.cpp b/common/dialogs/dialog_edit_library_tables.cpp
index 9996db3ed0..e9abf4cb08 100644
--- a/common/dialogs/dialog_edit_library_tables.cpp
+++ b/common/dialogs/dialog_edit_library_tables.cpp
@@ -75,7 +75,7 @@ bool DIALOG_EDIT_LIBRARY_TABLES::TransferDataFromWindow()
 {
     /* Transfer tables edited in dialog to the global and project tables:
      * A good way is to use m_contentPanel->TransferDataFromWindow to do that.
-     * But be carefull:
+     * But be careful:
      * Since wxWidgets 3.1, it is called by wxDialog::TransferDataFromWindow()
      * Before wxWidgets 3.1, it is *not* called by wxDialog::TransferDataFromWindow()
      * m_contentPanel->TransferDataFromWindow do not works with two calls.
diff --git a/common/dialogs/panel_hotkeys_editor.cpp b/common/dialogs/panel_hotkeys_editor.cpp
index 4733f80ef6..e101bc6253 100644
--- a/common/dialogs/panel_hotkeys_editor.cpp
+++ b/common/dialogs/panel_hotkeys_editor.cpp
@@ -43,7 +43,7 @@ static const wxSize default_dialog_size { 500, 350 };
  * Helper function to add a filter box to a panel, with some
  * sensible defaults for that purpose.
  *
- * @param  aParent          The panrent widget/panel
+ * @param  aParent          The parent widget/panel
  * @param  aDescriptiveText The text to show when the box is empty.
  * @return                  A newly constructed filter box - the caller owns it
  */
diff --git a/common/dialogs/wx_html_report_panel.h b/common/dialogs/wx_html_report_panel.h
index 02f4775c6c..66b5c0f3e6 100644
--- a/common/dialogs/wx_html_report_panel.h
+++ b/common/dialogs/wx_html_report_panel.h
@@ -68,8 +68,8 @@ public:
     ///< sets the frame label
     void SetLabel( const wxString& aLabel ) override;
 
-    ///< Sets the lasy update. If this mode is on, messages are stored but the display
-    ///< is not updated (Updating display can be very time consumming if there are many messages)
+    ///< Sets the lazy update. If this mode is on, messages are stored but the display
+    ///< is not updated (Updating display can be very time consuming if there are many messages)
     ///< A call to Flush() will be needed after build the report
     void SetLazyUpdate( bool aLazyUpdate );
 
diff --git a/common/drawing_sheet/ds_data_item.cpp b/common/drawing_sheet/ds_data_item.cpp
index 9f424b315b..3094baf710 100644
--- a/common/drawing_sheet/ds_data_item.cpp
+++ b/common/drawing_sheet/ds_data_item.cpp
@@ -525,7 +525,7 @@ bool DS_DATA_ITEM_POLYGONS::IsInsidePage( int ii ) const
         return false;
 
     pos = GetStartPos( ii );
-    pos += m_maxCoord;  // rignt bottom pos of bounding box
+    pos += m_maxCoord;  // right bottom pos of bounding box
 
     if( model.m_RB_Corner.x < pos.x || model.m_RB_Corner.y < pos.y )
         return false;
diff --git a/common/drawing_sheet/ds_data_model.cpp b/common/drawing_sheet/ds_data_model.cpp
index 7b640321e9..2f3a022552 100644
--- a/common/drawing_sheet/ds_data_model.cpp
+++ b/common/drawing_sheet/ds_data_model.cpp
@@ -28,7 +28,7 @@
  * The WS_DATA_ITEM_* classes define the basic shapes of a drawing sheet (frame references
  * and title block).  The list of these items is stored in a DS_DATA_MODEL instance.
  *
- * These items cannot be drawn or plotetd "as is".  They must be converted to WS_DRAW_*
+ * These items cannot be drawn or plotted "as is".  They must be converted to WS_DRAW_*
  * types. When building the draw list:
  *   - the DS_DATA_MODEL is used to create a DS_DRAW_ITEM_LIST
  *   - coordinates are converted to draw/plot coordinates.
diff --git a/common/dsnlexer.cpp b/common/dsnlexer.cpp
index f39e0cf026..fd87f31f7f 100644
--- a/common/dsnlexer.cpp
+++ b/common/dsnlexer.cpp
@@ -680,7 +680,7 @@ L_read:
     {
         /*  get the dash out of a <pin_reference> which is embedded for example
             like:  U2-14 or "U2"-"14"
-            This is detectable by a non-space immediately preceeding the dash.
+            This is detectable by a non-space immediately preceding the dash.
         */
         if( *cur == '-' && cur>start && !isSpace( cur[-1] ) )
         {
diff --git a/common/eda_base_frame.cpp b/common/eda_base_frame.cpp
index 2e7af1c024..bf8c0c1845 100644
--- a/common/eda_base_frame.cpp
+++ b/common/eda_base_frame.cpp
@@ -651,7 +651,7 @@ void EDA_BASE_FRAME::SaveWindowSettings( WINDOW_SETTINGS* aCfg )
         Pgm().GetCommonSettings()->m_System.autosave_interval = m_autoSaveInterval;
 
     // Once this is fully implemented, wxAuiManager will be used to maintain
-    // the persistance of the main frame and all it's managed windows and
+    // the persistence of the main frame and all it's managed windows and
     // all of the legacy frame persistence position code can be removed.
     aCfg->perspective = m_auimgr.SavePerspective().ToStdString();
 
@@ -749,7 +749,7 @@ void EDA_BASE_FRAME::FinishAUIInitialization()
     m_auimgr.Update();
 #else
     // Call Update() to fix all pane default sizes, especially the "InfoBar" pane before
-    // hidding it.
+    // hiding it.
     m_auimgr.Update();
 
     // We don't want the infobar displayed right away
diff --git a/common/gal/cairo/cairo_gal.cpp b/common/gal/cairo/cairo_gal.cpp
index 8d37576d07..cb152cb5a9 100644
--- a/common/gal/cairo/cairo_gal.cpp
+++ b/common/gal/cairo/cairo_gal.cpp
@@ -68,7 +68,7 @@ CAIRO_GAL_BASE::CAIRO_GAL_BASE( GAL_DISPLAY_OPTIONS& aDisplayOptions ) : GAL( aD
     SetGridColor( COLOR4D( 0.1, 0.1, 0.1, 0.8 ) );
     SetAxesColor( COLOR4D( BLUE ) );
 
-    // Avoid unitialized variables:
+    // Avoid uninitialized variables:
     cairo_matrix_init_identity( &m_currentXform );
     cairo_matrix_init_identity( &m_currentWorld2Screen );
 }
@@ -157,7 +157,7 @@ void CAIRO_GAL_BASE::arc_angles_xform_and_normalize( double& aStartAngle, double
     // now rotate arc according to the rotation transform matrix
     // Remark:
     // We call angle_xform() to calculate angles according to the flip/rotation
-    // transform and normatize between -2M_PI and +2M_PI.
+    // transform and normalize between -2M_PI and +2M_PI.
     // Therefore, if aStartAngle = aEndAngle + 2*n*M_PI, the transform gives
     // aEndAngle = aStartAngle
     // So, if this is the case, force the aEndAngle value to draw a circle.
diff --git a/common/gal/opengl/opengl_gal.cpp b/common/gal/opengl/opengl_gal.cpp
index 1873330056..e16f43e9d3 100644
--- a/common/gal/opengl/opengl_gal.cpp
+++ b/common/gal/opengl/opengl_gal.cpp
@@ -67,7 +67,7 @@ using namespace KIGFX;
 // and the schematic is a hierarchy and when using cross-probing
 // When the cross probing from pcbnew to eeschema switches to a sheet, the bitmaps cache
 // becomes broken (in fact the associated texture).
-// I hope (JPC) it will be fixed later, but a slighty slower refresh is better than a crash
+// I hope (JPC) it will be fixed later, but a slightly slower refresh is better than a crash
 #define DISABLE_BITMAP_CACHE
 
 // The current font is "Ubuntu Mono" available under Ubuntu Font Licence 1.0
@@ -1958,7 +1958,7 @@ int OPENGL_GAL::drawBitmapChar( unsigned long aChar )
 
     const FONT_GLYPH_TYPE* glyph = LookupGlyph( aChar );
 
-    // If the glyph is not found (happens for many esotheric unicode chars)
+    // If the glyph is not found (happens for many esoteric unicode chars)
     // shows a '?' instead.
     if( !glyph )
         glyph = LookupGlyph( '?' );
@@ -2189,7 +2189,7 @@ void OPENGL_GAL::init()
 
     if( m_tesselator == NULL )
         throw std::runtime_error( "Could not create the m_tesselator" );
-    // End initialzation checks
+    // End initialization checks
 
     GLenum err = glewInit();
 
diff --git a/common/gal/opengl/utils.cpp b/common/gal/opengl/utils.cpp
index 1cef93c14b..af60c7a3ca 100644
--- a/common/gal/opengl/utils.cpp
+++ b/common/gal/opengl/utils.cpp
@@ -139,7 +139,7 @@ int checkGlError( const std::string& aInfo, const char* aFile, int aLine, bool a
     {
         if( aThrow )
         {
-            wxLogTrace( traceGalOpenGlError, wxT( "Throwing exection for glGetError() '%s' "
+            wxLogTrace( traceGalOpenGlError, wxT( "Throwing exception for glGetError() '%s' "
                                                   "in file '%s' on line %d." ), errorMsg,
                         aFile, aLine );
             throw std::runtime_error( (const char*) errorMsg.char_str() );
diff --git a/common/gbr_metadata.cpp b/common/gbr_metadata.cpp
index b5a610afba..8ef1c16b50 100644
--- a/common/gbr_metadata.cpp
+++ b/common/gbr_metadata.cpp
@@ -489,7 +489,7 @@ std::string GBR_DATA_FIELD::GetGerberString() const
     if( !m_field.IsEmpty() )
         converted = ConvertNotAllowedCharsInGerber( m_field, m_useUTF8, m_escapeString );
 
-    // Convert the char string to std::string. Be carefull when converting a wxString to
+    // Convert the char string to std::string. Be careful when converting a wxString to
     // a std::string: using static_cast<const char*> is mandatory
     std::string txt = static_cast<const char*>( converted.utf8_str() );
 
@@ -512,7 +512,7 @@ std::string FormatStringToGerber( const wxString& aString )
     else
         converted = aString;
 
-    // Convert the char string to std::string. Be carefull when converting awxString to
+    // Convert the char string to std::string. Be careful when converting awxString to
     // a std::string: using static_cast<const char*> is mandatory
     std::string txt = static_cast<const char*>( converted.utf8_str() );
 
@@ -723,7 +723,7 @@ void GBR_CMP_PNP_METADATA::ClearData()
     m_MountType = MOUNT_TYPE_UNSPECIFIED;
 }
 /**
- * @return a string containing the formated metadata in X2 syntax.
+ * @return a string containing the formatted metadata in X2 syntax.
  * one line by non empty data
  * the orientation (.CRot) and mount type (.CMnt) are always generated
  */
diff --git a/common/gr_text.cpp b/common/gr_text.cpp
index e00b540b15..fce5f51bb8 100644
--- a/common/gr_text.cpp
+++ b/common/gr_text.cpp
@@ -201,7 +201,7 @@ void GRHaloText( wxDC * aDC, const wxPoint &aPos, COLOR4D aBgColor, COLOR4D aCol
 
 /**
  * Function PLOTTER::Text
- * same as GRText, but plot graphic text insteed of draw it
+ * same as GRText, but plot graphic text instead of draw it
  *  @param aPos = text position (according to aH_justify, aV_justify)
  *  @param aColor (COLOR4D) = text color
  *  @param aText = text to draw
diff --git a/common/grid_tricks.cpp b/common/grid_tricks.cpp
index 93e9c28031..d0dfcc2174 100644
--- a/common/grid_tricks.cpp
+++ b/common/grid_tricks.cpp
@@ -29,7 +29,7 @@
 #include <widgets/grid_readonly_text_helpers.h>
 
 
-// It works for table data on clipboard for an Excell spreadsheet,
+// It works for table data on clipboard for an Excel spreadsheet,
 // why not us too for now.
 #define COL_SEP     wxT( '\t' )
 #define ROW_SEP     wxT( '\n' )
diff --git a/common/plotters/DXF_plotter.cpp b/common/plotters/DXF_plotter.cpp
index 294414b3b7..c590abfdbc 100644
--- a/common/plotters/DXF_plotter.cpp
+++ b/common/plotters/DXF_plotter.cpp
@@ -478,7 +478,7 @@ void DXF_PLOTTER::Circle( const wxPoint& centre, int diameter, FILL_TYPE fill, i
 /**
  * DXF polygon: doesn't fill it but at least it close the filled ones
  * DXF does not know thick outline.
- * It does not know thhick segments, therefore filled polygons with thick outline
+ * It does not know thick segments, therefore filled polygons with thick outline
  * are converted to inflated polygon by aWidth/2
  */
 void DXF_PLOTTER::PlotPoly( const std::vector<wxPoint>& aCornerList,
@@ -709,7 +709,7 @@ void DXF_PLOTTER::FlashPadCircle( const wxPoint& pos, int diametre,
 
 
 /**
- * DXF rectangular pad: alwayd done in sketch mode
+ * DXF rectangular pad: always done in sketch mode
  */
 void DXF_PLOTTER::FlashPadRect( const wxPoint& pos, const wxSize& padsize,
                                 double orient, OUTLINE_MODE trace_mode, void* aData )
@@ -1001,7 +1001,7 @@ void DXF_PLOTTER::Text( const wxPoint&              aPos,
                but today I'm lazy and I have no idea on how to coerce a Unicode
                wxString to spit out latin1 encoded text ...
 
-               Atleast stdio is *supposed* to do output buffering, so there is
+               At least stdio is *supposed* to do output buffering, so there is
                hope is not too slow */
             wchar_t ch = aText[i];
 
diff --git a/common/plotters/GERBER_plotter.cpp b/common/plotters/GERBER_plotter.cpp
index 42e60ea3c0..dbea78cd7d 100644
--- a/common/plotters/GERBER_plotter.cpp
+++ b/common/plotters/GERBER_plotter.cpp
@@ -97,7 +97,7 @@ GERBER_PLOTTER::GERBER_PLOTTER()
     m_apertureAttribute = 0;
 
     // number of digits after the point (number of digits of the mantissa
-    // Be carefull: the Gerber coordinates are stored in an integer
+    // Be careful: the Gerber coordinates are stored in an integer
     // so 6 digits (inches) or 5 digits (mm) is a good value
     // To avoid overflow, 7 digits (inches) or 6 digits is a max.
     // with lower values than 6 digits (inches) or 5 digits (mm),
@@ -166,14 +166,14 @@ void GERBER_PLOTTER::ClearAllAttributes()
     else
         fputs( "G04 #@! TD*\n", m_outputFile );
 
-    m_objectAttributesDictionnary.clear();
+    m_objectAttributesDictionary.clear();
 }
 
 
 void GERBER_PLOTTER::clearNetAttribute()
 {
     // disable a Gerber net attribute (exists only in X2 with net attributes mode).
-    if( m_objectAttributesDictionnary.empty() )     // No net attribute or not X2 mode
+    if( m_objectAttributesDictionary.empty() )     // No net attribute or not X2 mode
         return;
 
     // Remove all net attributes from object attributes dictionary
@@ -182,7 +182,7 @@ void GERBER_PLOTTER::clearNetAttribute()
     else
         fputs( "G04 #@! TD*\n", m_outputFile );
 
-    m_objectAttributesDictionnary.clear();
+    m_objectAttributesDictionary.clear();
 }
 
 
@@ -216,7 +216,7 @@ void GERBER_PLOTTER::formatNetAttribute( GBR_NETLIST_METADATA* aData )
     bool clearDict;
     std::string short_attribute_string;
 
-    if( !FormatNetAttribute( short_attribute_string, m_objectAttributesDictionnary,
+    if( !FormatNetAttribute( short_attribute_string, m_objectAttributesDictionary,
                         aData, clearDict, useX1StructuredComment ) )
         return;
 
diff --git a/common/plotters/plotter_gerber.h b/common/plotters/plotter_gerber.h
index 21f0e1b821..0e02d880f3 100644
--- a/common/plotters/plotter_gerber.h
+++ b/common/plotters/plotter_gerber.h
@@ -220,7 +220,7 @@ public:
      * @param aRadius = the radius used for some shapes tool (oval, roundrect macros)
      * @param aRotDegree = the rotation of tool (primitives round, oval rect accept only 0.0)
      * @param aType = the type ( shape ) of tool
-     * @param aApertureAttribute = an aperture attribute of the tool (a tool can have onlu one attribute)
+     * @param aApertureAttribute = an aperture attribute of the tool (a tool can have only one attribute)
      * 0 = no specific attribute
      */
     int GetOrCreateAperture( const wxSize& aSize, int aRadius, double aRotDegree,
@@ -232,7 +232,7 @@ public:
      * @param aCorners = the corner list
      * @param aRotDegree = the rotation of tool
      * @param aType = the type ( shape ) of tool that can manage a list of corners (polygon)
-     * @param aApertureAttribute = an aperture attribute of the tool (a tool can have onlu one attribute)
+     * @param aApertureAttribute = an aperture attribute of the tool (a tool can have only one attribute)
      * 0 = no specific attribute
      */
     int GetOrCreateAperture( const std::vector<wxPoint>& aCorners, double aRotDegree,
@@ -301,7 +301,7 @@ protected:
      * print a Gerber net attribute object record.
      * In a gerber file, a net attribute is owned by a graphic object
      * formatNetAttribute must be called before creating the object
-     * @param aData contains the dato to format.
+     * @param aData contains the data to format.
      * the generated string depends on the type of netlist info
      */
     void formatNetAttribute( GBR_NETLIST_METADATA* aData );
@@ -309,7 +309,7 @@ protected:
     /**
      * clear a Gerber net attribute record (clear object attribute dictionary)
      * and output the clear object attribute dictionary command to gerber file
-     * has effect only if a net attribute is stored in m_objectAttributesDictionnary
+     * has effect only if a net attribute is stored in m_objectAttributesDictionary
      */
     void clearNetAttribute();
 
@@ -317,10 +317,10 @@ protected:
     // by D01, D03, G36/G37 commands
     // standard attributes are .P, .C and .N
     // this is used by gerber readers when creating a new object. Cleared by %TD command
-    // Note: m_objectAttributesDictionnary can store more than one attribute
+    // Note: m_objectAttributesDictionary can store more than one attribute
     // the string stores the line(s) actually written to the gerber file
     // it can store a .P, .C or .N attribute, or 2 or 3 attributes, separated by a \n char (EOL)
-    std::string   m_objectAttributesDictionnary;
+    std::string   m_objectAttributesDictionary;
 
     // The last aperture attribute generated (only one aperture attribute can be set)
     int           m_apertureAttribute;
diff --git a/common/plugins/altium/altium_parser_utils.cpp b/common/plugins/altium/altium_parser_utils.cpp
index 9d21360294..09297d93ee 100644
--- a/common/plugins/altium/altium_parser_utils.cpp
+++ b/common/plugins/altium/altium_parser_utils.cpp
@@ -53,14 +53,14 @@ wxString AltiumSpecialStringsToKiCadVariables( const wxString&              aStr
     wxString result;
 
     size_t start = 1;
-    size_t delemiter = 0;
+    size_t delimiter = 0;
     size_t escaping_start = 0;
     do
     {
-        delemiter = aString.find( "+", start );
+        delimiter = aString.find( "+", start );
         escaping_start = aString.find( "'", start );
 
-        if( escaping_start < delemiter )
+        if( escaping_start < delimiter )
         {
             size_t text_start = escaping_start + 1;
             size_t escaping_end = aString.find( "'", text_start );
@@ -75,7 +75,7 @@ wxString AltiumSpecialStringsToKiCadVariables( const wxString&              aStr
         }
         else
         {
-            wxString specialString = aString.substr( start, delemiter - start ).Trim( true );
+            wxString specialString = aString.substr( start, delimiter - start ).Trim( true );
 
             if( !specialString.IsEmpty() )
             {
@@ -89,9 +89,9 @@ wxString AltiumSpecialStringsToKiCadVariables( const wxString&              aStr
                     result += variableOverride->second;
                 }
             }
-            start = delemiter + 1;
+            start = delimiter + 1;
         }
-    } while( delemiter != wxString::npos );
+    } while( delimiter != wxString::npos );
 
     return result;
 }
\ No newline at end of file
diff --git a/common/plugins/cadstar/cadstar_archive_parser.h b/common/plugins/cadstar/cadstar_archive_parser.h
index ca81175ee1..c74a011734 100644
--- a/common/plugins/cadstar/cadstar_archive_parser.h
+++ b/common/plugins/cadstar/cadstar_archive_parser.h
@@ -32,7 +32,7 @@
 #include <wx/xml/xml.h>
 #include <xnode.h>
 
-// THROW_IO_ERROR definitions to ensure consident wording is used in the error messages
+// THROW_IO_ERROR definitions to ensure consistent wording is used in the error messages
 
 #define THROW_MISSING_NODE_IO_ERROR( nodename, location ) \
     THROW_IO_ERROR( wxString::Format( _( "Missing node '%s' in '%s'" ), nodename, location ) )
@@ -122,7 +122,7 @@ public:
     static const double TXT_HEIGHT_RATIO;
 
     /**
-     * These are speccial fields in text objects enclosed between the tokens '<@' and '@>' such as
+     * These are special fields in text objects enclosed between the tokens '<@' and '@>' such as
      * <@[FIELD_NAME][FIELD_VALUE]@>. For example: "<@DESIGN TITLEProject Title@>"
      */
     enum class TEXT_FIELD_NAME
@@ -180,7 +180,7 @@ public:
 
         /**
          * Text fields need to be updated in CADSTAR and it is possible that they are not
-         * consistent accross text elements.
+         * consistent across text elements.
          */
         std::set<TEXT_FIELD_NAME> InconsistentTextFields;
     };
@@ -598,7 +598,7 @@ public:
     static JUSTIFICATION ParseJustification( XNODE* aNode );
 
     /**
-     * @brief Sets the readibility direction of text. From CADSTAR Help: "Horizontal text will
+     * @brief Sets the readability direction of text. From CADSTAR Help: "Horizontal text will
      * always be displayed from left to right (i.e. never upside down). Vertical text can be set as
      * readable from either the left or right edge of the design."
      *
@@ -649,7 +649,7 @@ public:
         SYMBOL,          ///< From CADSTAR Help: Assigned to Schematic Symbols and displayed on
                          ///< Schematic Designs
         UNDEFINED ///< Note: It seems that some attribute have no "ATTRUSAGE" defined. It appears
-                  ///< that the attributes that fall under this category arethe ones associated
+                  ///< that the attributes that fall under this category are the ones associated
                   ///< with the design itself (i.e. not inherited from the library)
     };
 
@@ -708,7 +708,7 @@ public:
         ATTRUSAGE AttributeUsage = ATTRUSAGE::UNDEFINED;
         bool      NoTransfer     = false; ///< True="All Design Types", False="Current Design Type"
                                           ///< "All Design Types" Description from CADSTAR Help:
-                                          ///< "The selected attribute name will beavailable when
+                                          ///< "The selected attribute name will be available when
                                           ///< any design is displayed"
                                           ///< "Current Design Type" From CADSTAR Help: This
                                           ///< restricts the availability of the selected attribute
@@ -926,7 +926,7 @@ public:
     {
         enum class PIN_TYPE
         {
-            UNCOMMITTED,        ///< Uncomitted pin (default)
+            UNCOMMITTED,        ///< Uncommitted pin (default)
             INPUT,              ///< Input pin
             OUTPUT_OR,          ///< Output pin OR tieable
             OUTPUT_NOT_OR,      ///< Output pin not OR tieable
@@ -1058,7 +1058,7 @@ public:
 
             wxString Name; ///< This name can be different to the PART name
             bool     HidePinNames =
-                    false; ///< Specifies whether to display the pin names/indentifier in
+                    false; ///< Specifies whether to display the pin names/identifier in
                            ///< the schematic symbol or not. E.g. it is useful to display
                            ///< pin name information for integrated circuits but less so
                            ///< for resistors and capacitors. (subnode HIDEPINNAMES)
@@ -1105,7 +1105,7 @@ public:
                                                   ///< Therefore, PART_PIN is only included for
                                                   ///< completeness of the parser, but won't be used
 
-        bool HidePinNames = false; ///< This seems to be a dupplicate of DEFINITION::HidePinNames
+        bool HidePinNames = false; ///< This seems to be a duplicate of DEFINITION::HidePinNames
                                    ///< Possibly only used in older file formats?
 
         std::map<ATTRIBUTE_ID, ATTRIBUTE_VALUE> AttributeValues; ///< Some attributes are defined
@@ -1322,7 +1322,7 @@ public:
     static void ParseChildEValue( XNODE* aNode, PARSER_CONTEXT* aContext, EVALUE& aValueToParse );
 
     /**
-     * @brief if no childs are present, it just returns an empty
+     * @brief if no children are present, it just returns an empty
      *        vector (without throwing an exception)
      * @param aNode containing a series of POINT objects
      * @param aTestAllChildNodes
@@ -1337,7 +1337,7 @@ public:
             bool aTestAllChildNodes = false, int aExpectedNumPoints = UNDEFINED_VALUE );
 
     /**
-     * @brief if no childs are present, it just returns an empty
+     * @brief if no children are present, it just returns an empty
      *        vector (without throwing an exception)
      * @param aNode containing a series of VERTEX objects
      * @param aTestAllChildNodes
@@ -1351,7 +1351,7 @@ public:
             XNODE* aNode, PARSER_CONTEXT* aContext, bool aTestAllChildNodes = false );
 
     /**
-     * @brief if no childs are present, it just returns an empty
+     * @brief if no children are present, it just returns an empty
      *        vector (without throwing an exception)
      * @param aNode containing a series of CUTOUT objects
      * @param aTestAllChildNodes
diff --git a/common/preview_items/ruler_item.cpp b/common/preview_items/ruler_item.cpp
index 2b71176f77..1661d923bd 100644
--- a/common/preview_items/ruler_item.cpp
+++ b/common/preview_items/ruler_item.cpp
@@ -132,7 +132,7 @@ static TICK_FORMAT getTickFormatForScale( double aScale, double& aTickSpace, EDA
 
 /**
  * Draw labelled ticks on a line. Ticks are spaced according to a
- * maximum density. Miror ticks are not labelled.
+ * maximum density. Minor ticks are not labelled.
  *
  * @param aGal the GAL to draw on
  * @param aOrigin start of line to draw ticks on
diff --git a/common/swig/kicad.i b/common/swig/kicad.i
index d4569b35f2..3b8737a5e0 100644
--- a/common/swig/kicad.i
+++ b/common/swig/kicad.i
@@ -62,7 +62,7 @@ principle should be easily implemented by adapting the current STL containers.
 %warnfilter(509)    UTF8;
 
 /* swig tries to wrap SetBack/SetNext on derived classes, but this method is
-   private for most childs, so if we don't ignore it won't compile */
+   private for most children, so if we don't ignore it won't compile */
 
 %ignore EDA_ITEM::SetBack;
 %ignore EDA_ITEM::SetNext;
diff --git a/common/swig/wx.i b/common/swig/wx.i
index 9f74deee2d..c0862cff18 100644
--- a/common/swig/wx.i
+++ b/common/swig/wx.i
@@ -235,7 +235,7 @@ public:
     when printing a value in situ that was not returned from a wrapped function.
     Remember wxString return values of functions are converted by the typemaps.
 
-    No wxString constructor is given to SWIG, since wxString contruction is
+    No wxString constructor is given to SWIG, since wxString construction is
     always done in C++, but python needs to know that it can delete a wxString
     when necessary. And most importantly we need to see a string's contents so
     the __str__() function must show content.
diff --git a/common/tool/action_menu.cpp b/common/tool/action_menu.cpp
index bf1ac20106..8ba2fc98f8 100644
--- a/common/tool/action_menu.cpp
+++ b/common/tool/action_menu.cpp
@@ -169,7 +169,7 @@ wxMenuItem* ACTION_MENU::Add( const TOOL_ACTION& aAction, bool aIsCheckmarkEntry
     /// ID numbers for tool actions are assigned above ACTION_BASE_UI_ID inside TOOL_EVENT
     BITMAPS icon = aAction.GetIcon();
 
-    // Allow the label to be overriden at point of use
+    // Allow the label to be overridden at point of use
     wxString menuLabel = aOverrideLabel.IsEmpty() ? aAction.GetMenuItem() :  aOverrideLabel;
 
     wxMenuItem* item = new wxMenuItem( this, aAction.GetUIId(), menuLabel,
diff --git a/common/tool/tool_manager.cpp b/common/tool/tool_manager.cpp
index 8ab846ab2c..7002404be8 100644
--- a/common/tool/tool_manager.cpp
+++ b/common/tool/tool_manager.cpp
@@ -754,7 +754,7 @@ bool TOOL_MANAGER::dispatchInternal( TOOL_EVENT& aEvent )
                     handled = true;
 
                     if( !st->cofunc->Running() )
-                        finishTool( st ); // The couroutine has finished immediately?
+                        finishTool( st ); // The coroutine has finished immediately?
 
                     // if it is a message, continue processing
                     finished = !( aEvent.Category() == TC_MESSAGE );
diff --git a/common/view/view.cpp b/common/view/view.cpp
index 18610cf05a..b3d8442444 100644
--- a/common/view/view.cpp
+++ b/common/view/view.cpp
@@ -121,7 +121,7 @@ private:
     /**
      * Set a group id for the item and the layer combination.
      *
-     * @param aLayer is the layer numbe.
+     * @param aLayer is the layer number.
      * @param aGroup is the group id.
      */
     void setGroup( int aLayer, int aGroup )
diff --git a/common/widgets/infobar.cpp b/common/widgets/infobar.cpp
index 74fdc72e87..b110ca7033 100644
--- a/common/widgets/infobar.cpp
+++ b/common/widgets/infobar.cpp
@@ -195,7 +195,7 @@ void WX_INFOBAR::onSize( wxSizeEvent& aEvent )
     // Calculate the horizontal size: because the infobar is shown on top of the draw canvas
     // it is adjusted to the canvas width.
     // On Mac, the canvas is the parent
-    // On other OS the parent is EDA_BASE_FRAME thta contains the canvas
+    // On other OS the parent is EDA_BASE_FRAME that contains the canvas
     int parentWidth = m_parent->GetClientSize().GetWidth();
     EDA_BASE_FRAME* frame = dynamic_cast<EDA_BASE_FRAME*>( m_parent );
 
diff --git a/common/widgets/mathplot.cpp b/common/widgets/mathplot.cpp
index 89121c0049..d120b82191 100644
--- a/common/widgets/mathplot.cpp
+++ b/common/widgets/mathplot.cpp
@@ -3277,7 +3277,7 @@ void mpFXYVector::Clear()
 
 void mpFXYVector::SetData( const std::vector<double>& xs, const std::vector<double>& ys )
 {
-    // Check if the data vectora are of the same size
+    // Check if the data vectors are of the same size
     if( xs.size() != ys.size() )
         return;
 
@@ -3803,7 +3803,7 @@ void mpBitmapLayer::Plot( wxDC& dc, mpWindow& w )
         double  screenPixelX    = ( x1 - x0 ) / (double) m_bitmap.GetWidth();
         double  screenPixelY    = ( y1 - y0 ) / (double) m_bitmap.GetHeight();
 
-        // The minimum number of pixels that the streched image will overpass the actual mpWindow borders:
+        // The minimum number of pixels that the stretched image will overpass the actual mpWindow borders:
         wxCoord borderMarginX   = (wxCoord) (screenPixelX + 1); // ceil
         wxCoord borderMarginY   = (wxCoord) (screenPixelY + 1); // ceil